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经营范围
发明名称
Adjustment mechanism for kicker-type ballast remover
摘要
申请公布号
US2743539(A)
申请公布日期
1956.05.01
申请号
US19530337744
申请日期
1953.02.19
申请人
HURSH SAMUEL R;REIGH CLARENCE J
发明人
HURSH SAMUEL R.;REIGH CLARENCE J.
分类号
E01B27/04
主分类号
E01B27/04
代理机构
代理人
主权项
地址
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